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Coil Coating Process

Coil coating is a liquid paint system that comprises Topcoat, Back coat and Primers. It is available in a wide range of colours and finishes that can be applied to Steel / aluminium coils with the help of rolls. These can be cured in a minute’s time and recoiled for delivery to end users.

Coil coating is replacing traditional ways of manufacturing with the value added process. An old practice of painting of the unpainted bodies is getting substituted with percolated Sheet metal. Being used in Nip coating or Dip coating, solvent usage is minimal, helps in VOC reduction.


  1. ABare metal is uncoiled

  2. BCoil splicing

  3. CAccumulator stack

  4. DMetal degreasing, cleaning, rinsing & checmical pretreatment

  5. EDrying Oven

  6. FPrimer unit - one or both sides

  1. GCuring oven

  2. HCoating unit-top coat applied one or both sides

  3. ICuring Oven

  4. JLaminating-one or both sides, or embossing

  5. KAccumulator stack (exit)

  6. LRecoiling finished metal



What makes Coil Coating different than other Painting Method?

  • Coil Coating paints are applied on flat metal strip.
  • Cured in Oven at a high temperature, quenched with cold water and recoiled.
  • Coated coils are uncoiled, formed and cut for final use.
  • Paint first then fabricate – pre-painted.
  • Applied at very low DFT as compared to other paint applications
  • Nearly 100% utilization of paint while application i.e. minimum loss of paint while application as compared to other paint application methods.
  • Low emission of solvent hence less impact on environment.
  • Faster application hence high productivity.

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